The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 09, 2008

Filed:

Dec. 14, 2004
Applicants:

Mizuki Hayakawa, Tokyo, JP;

Atsuko Kashiwazaki, Tokyo, JP;

Inventors:

Mizuki Hayakawa, Tokyo, JP;

Atsuko Kashiwazaki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/387 (2006.01); H04N 1/38 (2006.01); H04N 1/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

An image reading apparatus detecting scratch and dirt information of a film document without the need for complex structures and complex control in the image reading apparatus. The apparatus can read a transmissive original document and/or a reflective original document. The apparatus includes a first light source that illuminates the transmissive original document, a second light source that illuminates one of the reflective original document and the transmissive original document, an image sensor that generates electronic image data, a detector unit that detects non-image information from the image data, and a correction unit that corrects the image data, based on the non-image information detected by the detector unit.


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